hillary clinton as secretary of state. here to walk us through the policeman call cause and effect in three states are "newshour" political editor christina and "roll call" we heard today that one of the kennedy h,irs, ted kennedy, junior, decided not to run for the seat in massachusetts, what's happening there? >> more of interesting dynamics at play. whenever a kennedy decides to run in massachusetts he sort of think that clears the field. so when he said he wanted to stay in connecticut, potentially run for something there one day -- >> ifill: which is where he lives. >> exactly. opens up the field for the democrats in a big way. really where everybody is paying attention right now the republican side. senator scott brown just lost the seat very high profile race in 2012 to elizabeth warren, should he choose to run for special election, try repeat in 2010 to be able to catch democrats by surprise, that could be his seat. but he may not run. there are lot 6 different things at play, he has options down the line, always run for governor at some point. if he doesn't run, then t